USB mass storage device class - Wikipedia
WEBThe USB mass storage device class (also known as USB MSC or UMS) is a set of computing communications protocols, specifically a USB Device Class, defined by the USB Implementers Forum that makes a USB device accessible to a host computing device and enables file transfers between the host and the USB device. To a host, the USB …
WEBFeb 19, 2010 · The purpose of this document is to provide an overview of all the specifications that describe how Mass Storage devices behave on the USB bus. Section 1.1 gives the rules for using the different USB Mass Storage class specifications. Note that these rules can change.
WEB1.1 Scope. A familiarity with the USB 1.0 and 1.1 Specifications and the USB Mass Storage Class Specification Overview is assumed. This specification addresses Bulk-Only Transport, or in other words, transport of command, data, and status occurring solely via Bulk endpoints (not via Interrupt or Control endpoints).
WEBThe CBI and Bulk-Only specifications are each intended to be stand-alone documents for the USB Mass Storage class, enabling development of a USB Mass Storage compliant device. A device manufacturer may choose to implement both CBI and Bulk-Only, but shall follow each specification as applicable.
Android USB Connections Explained: MTP, PTP, and USB Mass Storage
WEBJul 9, 2014 · Older Android devices support USB mass storage for transferring files back and forth with a computer. Modern Android devices use the MTP or PTP protocols -- you can choose which one you prefer. To select a USB connection protocol, open the Settings app, tap Storage, tap the menu button, and tap USB computer connection.
Mass Storage Class Specification Overview 1.4 | USB-IF
WEBFeb 19, 2010 · Device Class Specification. Mass_Storage_Specification_Overview_v1.4_2-19-2010.pdf 0 bytes.
WEBA USB mass-storage device must sup-port the USB protocols required for all USB devices as well as class-spe-cific mass-storage protocols.
WEBIntroduction. This document gives an overview of the USB Mass Storage Class specifications. How mass storage devices behave on the USB bus is the subject of this and other USB Mass Storage Class specifications. At this time, four other USB Mass Storage Class specifications are under development by the USB Mass Storage Class …
WEBJan 2, 2008 · For external hard drives or thumb drives, this is the SCSI protocol. By using the same protocols as other drives, this enables MSD devices to appear on the host as a new disk drive.
USB Mass Storage and USB-Attached SCSI... are both SCSI
WEBThe most common protocol implemented by USB Mass Storage devices is the Bulk-Only Transport protocol (abbreviated here as BOT, but mysteriously abbreviated as BBB in the official standards). More recent is the newer USB-Attached SCSI (UAS) protocol, which offers greater performance and functionality than BOT.
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